1247126 has 4 divisors (see below), whose sum is σ = 1870692. Its totient is φ = 623562.

The previous prime is 1247119. The next prime is 1247167. The reversal of 1247126 is 6217421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6217421 = 7 ⋅888203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311780 + ... + 311783.

It is an arithmetic number, because the mean of its divisors is an integer number (467673).

2^1247126 is an apocalyptic number.

1247126 is a deficient number, since it is larger than the sum of its proper divisors (623566).

1247126 is an equidigital number, since it uses as much as digits as its factorization.

1247126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623565.

The product of its digits is 672, while the sum is 23.

The square root of 1247126 is about 1116.7479572401. The cubic root of 1247126 is about 107.6391132109.

The spelling of 1247126 in words is "one million, two hundred forty-seven thousand, one hundred twenty-six".